Draw a simple curved oval or bean shape
Add a slight split or dip at the top center for the tongue tip
Round the bottom edges to keep the shape soft
Add a center line down the middle if needed
Draw a small curve near the back to show depth
Refine the outline to make it smooth and natural
Erase any extra sketch lines
Add light shading along the edges and underside
Darken the center crease slightly
Finish with clean lines and even contours